BulletX is the first fully managed 3D physics engine, it supports Windows and XBox360 platforms All original C++ code has been rewritten into C#, distributed under the same license (Zlib) This is a snapshot from June 6, 2007, the actual development and latest version http://www.codeplex.com/xnadevru/Wiki/View.aspx?title=Managed%20Bullet%20Physics%20Library Credits: KleMiX, aka Vsevolod Klementjev raxxla xnadev Developers b333n Johnnylightbulb Knott NeTBaPb OSlava perrs SolarWind yulius